If you love nothing more than donning a crazy costume, then why not make it authentic with a pair of costume contact lenses? We stock a huge variety of colored contact lenses in every color of the rainbow, with tons of different styles and designs to choose from, whatever the occasion, we have something perfect for you! While Ninjaflex is at the high end of what you should pay for filament, it is definitely the easiest TPU I have worked with.